90829555 has 32 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 65556480.

The previous prime is 90829547. The next prime is 90829559. The reversal of 90829555 is 55592809.

It is not a de Polignac number, because 90829555 - 2³ = 90829547 is a prime.

It is a super-2 number, since 2×90829555² = 16500016122996050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90829559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233301 + ... + 233689.

It is an arithmetic number, because the mean of its divisors is an integer number (3759210).

Almost surely, 2^90829555 is an apocalyptic number.

90829555 is a deficient number, since it is larger than the sum of its proper divisors (29465165).

90829555 is a wasteful number, since it uses less digits than its factorization.

90829555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 90829555 is about 9530.4540815220. The cubic root of 90829555 is about 449.5131442418.

The spelling of 90829555 in words is "ninety million, eight hundred twenty-nine thousand, five hundred fifty-five".